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We present here an approach for a hybrid model of trust. Our idea on the trust model is that all evidences on interactions could be used to measure the trust on required actions before taking the decision. We use the policy language proposed by Krukow et al., with some slight modifications to specify our trust model.
Trust is a major aspect of decision making when two parties are involved, and the lack of face to face exchanges of the Internet deeply changes relations and behaviours regarding the available services. The already existing trust management systems over the Internet are one way only. Either they allow a provider to tell what it expects from a client… (More)
We present a robust method for automatically constructing an ellipsoidal skeleton e-skeleton from a set of 3D points taken from NMR or TDM images. To ensure steadiness and accuracy, all points of the objects are taken into account, including the inner ones, which is diierent from the existing techniques. This skeleton will be essentially useful for object… (More)
An algorithm is presented that may be used to simulate energy ows within an environment. These ows are supposed to be represented by energy quanta that travel in straight lines within the environment. The Constructive Solid Geometry methodology is used to model the environment. Properties can be attached to any object in this environment, either to the… (More)